Question

highlight the word, clause, or phrase that modifies the word(s) in bold.
tony stark missed my magic trick because he was watching the squirrels crawling across the trampoline.

Explanation:

In the sentence, "crawling across the trampoline" is a participial phrase that functions as an adjective to modify the bolded noun "squirrels", describing what the squirrels were doing.

Answer:

crawling across the trampoline